Supplementary_Data_IJEAC

Hypothesis: To estimate the variation in the profile of the metal in aerosol due to nationwide lockdown. Data: Variation in metal profile and their contribution percentages in normal, pre-lockdown, lockdown, and post-lockdown sampling phase. Analysis method: Source apportionment analysis using PMF version 5. Interpretation: The source apportionment of metals can be identified through their respective contribution percentages.